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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
710 PM CST Mon Dec 1 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-020500-
Sheboygan to Port Washington WI-
710 PM CST Mon Dec 1 2025

.TONIGHT...Southwest wind 10 to 15 knots veering northwest early
in the morning. Snow showers in the evening, then chance of snow
showers late in the evening. Waves 1 to 2 feet.
.TUESDAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots late in the morning, then rising to 10 to 15 knots early
in the afternoon backing southwest late in the afternoon. Partly
sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming 15 to
25 knots in the late evening and overnight. Chance of snow after
midnight. Waves 3 to 4 feet building to 3 to 5 feet after
midnight. A small craft advisory may be needed.
.WEDNESDAY...Southwest wind 15 to 25 knots veering west 15 to
20 knots late in the morning, then veering northwest 10 to
20 knots early in the afternoon rising to 15 to 25 knots late in
the afternoon. Snow likely in the morning, then chance of snow in
the afternoon. Waves 3 to 5 feet subsiding to 3 to 4 feet in the
late morning and afternoon.

Wave heights are for ice free areas.

$$
LMZ644-020500-
Port Washington to North Point Light WI-
710 PM CST Mon Dec 1 2025

.TONIGHT...Southwest wind 5 to 15 knots becoming 10 to 15 knots
late in the evening, then veering west after midnight veering
northwest early in the morning. Snow showers through around
midnight. Waves around 1 foot.
.TUESDAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots late in the morning, then rising to 10 to 15 knots early
in the afternoon backing southwest late in the afternoon. Partly
sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming 15 to
25 knots after midnight. Slight chance of snow after midnight.
Waves 3 to 4 feet. A small craft advisory may be needed.
.WEDNESDAY...Southwest wind 15 to 25 knots veering northwest late
in the afternoon. Snow likely. Waves 3 to 4 feet subsiding to
1 to 2 feet early in the afternoon, then building to 3 to 4 feet
late in the afternoon.

Wave heights are for ice free areas.

$$
LMZ645-020500-
North Point Light to Wind Point WI-
710 PM CST Mon Dec 1 2025

.TONIGHT...Southwest wind 10 to 15 knots veering northwest early
in the morning. Snow showers through around midnight. Waves 1 to
2 feet.
.TUESDAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots late in the morning, then rising to 10 to 15 knots early
in the afternoon backing southwest late in the afternoon. Partly
sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming 15 to
25 knots after midnight, then rising to up to 30 knots early in
the morning. Slight chance of snow after midnight. Waves 1 to
2 feet building to 3 to 4 feet in the late evening and overnight.
A small craft advisory may be needed.
.WEDNESDAY...Southwest wind 15 to 25 knots veering northwest late
in the afternoon. Snow likely. Waves 3 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ646-020500-
Wind Point WI to Winthrop Harbor IL-
710 PM CST Mon Dec 1 2025

.TONIGHT...Southwest wind 10 to 15 knots veering northwest early
in the morning. Snow showers through around midnight. Waves 1 to
2 feet.
.TUESDAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots late in the morning, then rising to 10 to 15 knots early
in the afternoon backing southwest late in the afternoon. Partly
sunny. Waves around 1 foot.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming 15 to
25 knots after midnight, then rising to up to 30 knots early in
the morning. Slight chance of snow after midnight. Waves 1 to
2 feet building to 3 to 4 feet in the late evening and overnight.
A small craft advisory may be needed.
.WEDNESDAY...Southwest wind 15 to 25 knots veering west 15 to
20 knots early in the afternoon, then veering northwest 15 to
25 knots late in the afternoon. Chance of snow in the morning,
then snow likely in the afternoon. Waves 3 to 4 feet.

Wave heights are for ice free areas.

$$
See Lake Michigan Open Waters Forecast for Thursday through Saturday.